public void OnPropertyChanged_Raised_ShouldExtractPropertyName() { // Prepare var invoked = false; var modelFixture = new ModelFixture(); modelFixture.PropertyChanged += (o, e) => { // Act if (e.PropertyName.Equals(nameof(modelFixture.Number))) { invoked = true; } }; // Act modelFixture.InvokePropertyChanged(nameof(modelFixture.Number)); //Assert Assert.True(invoked); }